Merge "Respect the orientation of a home activity in the process of launching...

Merge "Respect the orientation of a home activity in the process of launching when split-screen enabled." into rvc-dev am: 1f7c4db5 am: 73d90938 am: 986844ad

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11959749

Change-Id: I89330b32583b7383117dc62e67ae408f6ce9c007